280 Days From Today (Due Date Estimator)
Rough delivery date calculator. 280 days is the standard gestation period.
Settings
The Date Will Be
November 22, 2026
Why calculate this date?
Pregnancy typically lasts 280 days (40 weeks) from the first day of your last period. Use this to estimate a due date.
Planning Ahead?
This is a long-term goal. Make sure to set intermediate milestones!
Did you know?
Calculating exact dates prevents "Planning Fallacy"—the tendency to underestimate how much time tasks take.
Frequently Asked Questions
What date is 280 days from today?
Use the tool above for the live calculation. It takes today's date and adds exactly 280 days, accounting for the specific number of days in each intervening month.
Does this include weekends?
Yes, the standard calculation includes Saturdays and Sundays. If you want to calculate 'Business Days' (e.g., for shipping or work deadlines), uncheck the 'Include Weekends' box.
Is the resulting date a holiday?
Our calculator gives you the exact calendar date. You should check your local calendar to see if that specific date falls on a bank holiday in your country.
How many months is 280 days?
280 days is approximately 9.2 months. However, because months have different lengths (28-31 days), using a calculator is safer than doing mental math.